[e2e] Max accelerated connections in TOE
Valentin at TehutiNetworks.com
Tue Oct 15 12:51:42 PDT 2002
> I am not sure what exactly you are trying to
> accomplish here, but I have servers that have a single
> interface supporting tens of thousands of connections, all of
> which would require acceleration. Today we are doing this
> with a dedicated TCP offload device inline in the network
> that works well for http, which in my case meets my needs.
> IMHO 4000 simultaneous TCP connections is a SMALL number.
You are right about the HTTP case. We can agregate few devices to
achieve more connections.
I curently target my TCP offload engine to the enterprice servers and
storage servers but your input was important too.
> On Mon, 14 October 2002, "Valentin Ossman" wrote:
> > Hi list,
> > I'm trying to figure how many connections a TCP
> > engine should
> > support. The feedback I've got on this issue is very
> > fuzzy till now.
> > Some claim a big number like 4K connections are needed
> > to cover the
> > worst case. Having such a connections number will make
> > the solution
> > expensive. The idea behind this is that when there is
> > peak traffic
> > situation, there should be no denial of service.
> > I have a chipper alternative; provide a number of
> > accelerated
> > connections to satisfy about 80%-90% of the scenarios
> > (lets say X
> > connections) and have the other connections handled by
> > the host CPU.
> > This way we get no denial of service with a chipper
> > solution. The
> > drawback is, of course, the performance.
> > What do you think X (the accelerated connection number
> > should be?
> > Best Regards,
> > Valentin Ossman
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